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Air Quality History for Sylmar, United States

Historical PM2.5 and AQI trend from monitoring stations near Sylmar, United States.

34
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

452h

PM2.5 Station

452h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-21 25 12–38 5.9 µg/m³ 22h 1
2026-07-20 43 25–68 10.8 µg/m³ 24h 1
2026-07-19 41 21–61 10.2 µg/m³ 24h 1
2026-07-18 39 21–55 9.3 µg/m³ 24h 1
2026-07-17 41 21–57 10.0 µg/m³ 24h 1
2026-07-16 31 17–61 7.6 µg/m³ 24h 1
2026-07-15 33 17–50 7.9 µg/m³ 24h 1
2026-07-14 33 17–61 8.1 µg/m³ 24h 1
2026-07-13 45 25–63 11.1 µg/m³ 24h 1
2026-07-12 37 17–61 9.1 µg/m³ 24h 1
2026-07-11 56 21–105 15.9 µg/m³ 24h 1
2026-07-10 62 21–137 18.7 µg/m³ 24h 1
2026-07-09 33 17–57 8.0 µg/m³ 24h 1
2026-07-08 29 21–42 6.8 µg/m³ 23h 1
2026-07-07 24 17–38 5.8 µg/m³ 19h 1
2026-07-06 27 17–51 6.5 µg/m³ 13h 9
2026-07-05 60 12–153 19.3 µg/m³ 24h 1
2026-07-04 34 12–70 8.7 µg/m³ 24h 1
2026-07-03 44 25–68 11.0 µg/m³ 24h 1
2026-07-02 45 20–63 11.6 µg/m³ 14h 8
2026-07-01 46 46–46 11.0 µg/m³ 1h 1
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